Ph. D. Graduates

Ph.D. Graduates

2023

• Georgiou Kyriakos-Christofer, (2023) 
  Dissertation Title: "Discrete, continuous and machine learning models with applications in credit risk»
  Supervisor: A. Yannacopoulos, Professor
  Three-Member Thesis Committee: Α Tsekrekos, A. Professor, Department of Accounting and Finance, AUEB, St. Xanthopoulos, A. Professor, Assistant Professor, Department of Statistics and Actuarial-Financial Mathematics, Aegean University

  Examiners:  M. Zazzanis, Professor, Department of Statistics, AUEB, St. Psarakis, Professor, Department of Statistics, AUEB, G. W. Weber, Professor, Poznan University of Technology, C. Siettos,, Associate Professor, Department of Mathematics and Applications, University  of Naples  Federico II

• Barmpounakis Petros, (2023)
  Dissertation Title: "A Bayesian approach to the analysis of infectious disease data using continuous-time stochastic models»
  Supervisor: N. Demiris, A. Professor, Department of Statistics, AUEB
  Three-Member Thesis Committee: P. Dellaportas, Professor, Department of Statistics, AUEB, D. Karlis, Δημήτριος Καρλής, Professor, Department of Statistics, AUEB

  Examiners:  I. Ntzoufras, Professor, Department of Statistics, AUEB, Ioannis Kontoyiannis, Professor, Statistical Laboratory, University of Cambridge, V. A. Sypsa, Professor of Epidemiology and Medical Statistics in the Medical School of the Natioal and Kapodistrian University of Athens (NKUA), Kostas Kalogeropoulos, Associate Professor, Department of Statistics, LSE.

• Louloudis Emmanouil, (2023)
  Dissertation Title: "Fault specific insurance pricing, reserving and CAT bond design for seismic risk assessment. The case of Greece"
  Supervisor: A. Zymbidis, Assistant Professor, Department of Statistics, AUEB
  Three-Member Thesis Committee: A. Yannacopoulos, Professor, Department of Statistics, AUEB, A. Tsekrekos, Department of Accounting and Finance, AUEB
  Examiners:  Adrego Pinto, Professor, Department of Mathematics, University of Porto, D. Pinheiro, Associate Professor, Department of Mathematics, Brooklyn College, City University of New York, E. Kyriakidis, Professor, Department of Statistics, AUEB, Associate Professor, Department of Statistics, AUEB, St. Psarakis, Professor, Department of Statistics, AUEB.

2022

• Pinotsi Dimitra, (2022)
  Dissertation Title: "Synchronized and Gated Queueing Models"
  Supervisor: Μ. Zazanis, Professor, Department of Statistics, AUEB
  Three-Member Thesis Committee: E. Kyriakidis, Professor, Department of Statistics, AUEB, Associate Professor, Department of Statistics, AUEB.
  Examiners:  A. Livada, Assistant Professor, Department of Statistics, AUEB, P. Besbeas, Associate Professor, Department of Statistics, AUEB,  J. George Shanthikumar, Professor, Richard E. Dauch Chair of Manufacturing and Operations Management and Distinguished Professor of Management Purdue University, Indiana, USA, Yiqiang Q. Zhao, Professor, School of Mathematics and Statistics, Associate Dean (Graduate Affairs), Faculty of Science, Carleton University, Ottawa, Ontario, Canada

• Panagou Foteini, (2022)
  Dissertation Title: "Model Based Clustering for count and mixed model data"
  Supervisor: D. Karlis, Professor, Department of Statistics, AUEB
  Internal examiners: I. Ntzoufras, Professor, Department of Statistics, AUEB, Ioannis Kosmidis, Professor, Department of Statistics, University of Warwick 
  External Examiners: Claire Gormley, Professor, School of Mathematics & Statistics, University College London, Andrea Rau, RESEARCH Scientist, French National Research Institute for Agriculture, Food and Environment, I. Papageorgiou, Associate Professor, Department of Statistics, AUEB, P. Papastamoulis, Assistant Professor, Department of Statistics, AUEB.

• Manztouni Aikaterini, (2022)
  Dissertation Title: "Bayesian Analysis and Model Selection for Contingency Tables using Power Priors"
  Supervisor: I. Ntzoufras, Professor, Department of Statistics, AUEB
  External Examiners: Μ. Kateri, Professor, Institute of Statistics, RWTH Aachen University, Cl. Tarantola, Associate Professor, Department of Economics & Management, University of Pavia
  Internal examiners: D. Karlis, Professor, Department of Statistics, AUEB, V. Vasdekis, Professor, Department of Statistics, AUEB, P. Papastamoulis, Assistant Professor, Department of Statistics, AUEB, N. Demiris, Assistant Professor, Department of Statistics, AUEB

Work Placement: Temporary Lecturer at American College of Cyprus

• Bougioukli Efstathia, (2022)
  Dissertation Title: "Ruin Theory Problems in Simple SDE Models with Large Deviation Asymptotics"
  Supervisor: M. Zazanis, Professor, Department of Statistics, AUEB
  External Examiners:Paul Glasserman, Jack R. Anderson Professor of Business, Dept. Decision, Risk, and Operations, Columbia University, Hanspeter Schmidli, Professor, Department of Mathematics, Stochastics/Insurance-Mathematics Group, University of Cologne
  Internal examiners: Ν. Fragos, Professor, Department of Statistics, AUEB, A. Yannacopoulos, Professor, Department of Statistics, AUEB, St. Vakeroudis, Assistant Professor, Department of Statistics, AUEB.

• Kardiasmenos Panagitis, (2022)
  Dissertation Title: "Towards a Pan-European Pension System an Initial Approach (Προς ένα πανευρωπαϊκό συνταξιοδοτικό σύστημα μια αρχική προσέγγιση)"
  Supervisor: Ν. Fragos, Professor , Τμήμα Στατιστικής, ΟΠΑ
  External Examiners:Α. Hristopoulos, Professor, Department of Business Administration, University of the Aegean, Ι. Katsaboxakis, Assistant Professor , Department of Statistics and Actuarial Finance Mathematics, University of the Aegean, G. Tzougas, Associate Professor, Department of Actuarial Mathematics and Statistics, Heriot-Watt University, A. Pantelous, Professor, Department of Econometrics & Business Statistics, Monash University, Australia
  Internal examiners: M. Zazanis, Professor, Department of Statistics, AUEB, D. Karlis, .Professor, Department of Statistics, AUEB.

• Zografi Mimoza, (2022)
  Dissertation Title: "The Generalized Waring Process Statistical Inference and Applications (Στατιστική Συμπερασματολογία και Εφαρμογές της Γενικευμένης Κατανομής Waring)"
  Supervisor: Ε. Xekalaki, Retired Professor, Department of Statistics, AUEB.
  External Examiners: J. Teugels, Professor, Dept. of Mathematics, Katholieke Universiteit, Leuven, Belgium, Κ. Ζωγράφος, Professor , Τμήμα Μαθηματικών, Πανεπιστήμιο Ιωαννίνων, N. Balakrishnan, Distinguished University Professor, Mc Master University, Ontario, Canada, M.B. Rao, Professor, Department of Environmental & Public Health Sciences, University of Cincinnati, USA
  Internal examiners: A. Dimaki, Δημάκη, Retired Professor, Department of Statistics, AUEB, M. Zazanis, Professor, Department of Statistics, AUEB.

Work Placement: Lead Data Scientist at Mediacom

• Bisiotis Konstantinos, (2022)
  Dissertation Title: "Affine Models: Change Point Detection and Applications"
  Supervisor:St. Psarakis, Professor, Department of Statistics, AUEB.
  External Examiners:A. Tsekrekos, Associate. Professor , Department of Accounting and Finance, AUEB, Gerhard-Wilhelm Weber, Professor, Marketing and Economic Engineering, Faculty of Engineering Management Poznan University of Technology, Javier M. Moguerza, Professor, Dept. Computer Science and Statistics, School of Computer Sciences, Rey Juan Carlos University, Spain
  Internal examiners: A. Yannacopoulos, Professor, Department of Statistics, AUEB, I. Vrontos, Associate Professor, Department of Statistics, AUEB, I. Tzavalis Professor, Department of Economics, AUEB

Work Placement: Temporary Teaching Staff, Athens University of Economics and Business (2021-22)

• Perdikis Theodoros, (2022)
  Dissertation Title: "Statistical Monitoring of Discrete and Nonparametric Statistics with Exact Run Length Properties"
  Supervisor: St. Psarakis, Professor, Department of Statistics, AUEB.
  External Examiners: Ph. Castagliola, Professor, Nantes Université, P. Maravelakis, Associate Professor , Department of Business Administration, University of Pireus,  G. Celano, Associate Professor, University of Catania, Italy, Α. Karagrigoriou, Professor , Department of Statistics and Actuarial-Financial Mathematics, University of the Aegean   
  Internal examiners: A. Yannacopoulos, Professor, Department of Statistics, AUEB, P. Tsiamyrtzis, Associate Professor, Department of Statistics, AUEB & Dept. of Mechanical Engineering, Politecnico di Milano

Work Placement: Temporary Teaching Staff, Athens University of Economics and Business

2021

• Kondakis Marios, (2021) 
  Dissertation Title: "Some Statistical Models in Ecology and Epidemiology""
  Supervisor: N. Demiris, Assistant Professor, Department of Statistics, Athens University of Economics and Business
  External Examiners: Theodorfe Kypraios, Professor of Statistics, School of Mathematical Sciences, University of Nottingham, Maria Pappa, Associate Professor, Democritus University of Thrace, Kostas Kalogeropoulos, Associate Professor, Department of Statistics, London School of Economics
  Internal examiners: I. Ntzoufras, Professor, E. Kyriakidis, Professor, , A Yannacopoulos, Professor, Department of Statistics, Athens University of Economics and Business

Work Placement:  Lyceum Director

• Lamprinakou Fiori, (2021) 
  Dissertation Title: " An Econometrics analysis of high-frequency financial data"
  Supervisor: P. Dellaportas, Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Papaspiliopoulos Omiros, Full Professor, Department of Decision Sciences, Bocconi University, Italy, Tsiona Mike, Professor, Dept. of Economics, Lancaster University, UK, Paul Damien, Professor, Department of Information, Risk and Operations Mgmt, The University of Texas at Austin McCombs School of Business  
  Internal examiners: N. Demiris, Assistant Professor, X. Pendeli, Assistant Professor, P. Papastamoulis, Assistant Professor, Department of Statistics, Athens University of Economics and Bussiness

• Koki Konstantina, (2021) 
  Dissertation Title: "Bayesian Modeling and Estimation for complex multiparameter problems with real applications"
  Supervisor: Ι. Vrontos, Associate Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Kypraios Theodore, Professor of Statistics, School of Mathematical Sciences, University of Nottingham, UK & Kalogeropoulos Konstantinos, Associate Professor of Statistics, Department of Statistics, London School of Economics, UK
  Internal examiners:D. Karlis, Professor, P. Dellaports, Professor, L. Meligotsidou, Associate. Professor, Department of Mathematics, NKUA & D. Fouskakis, Professor, Department of Mathematics, School of Applied Mathematical and Physical Sciences, NTUA

Work Placement: Postdoctoral Research Associate at University of Warwick

• Bourazas Konstantinos, (2021) 
  Dissertation Title: "Self-Starting Methods in Bayesian Statistical Process Control & Monitoring"
  Supervisor: P. Tsiamyrtzis, Associate Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Giovanna Capizzi, Full Professor, Department of Statistics, University of Padova, Italy, Bianca Maria Colosimo, Full Professor, Department of Mechanical Engineering, Polytechnic University of Milan, Italy, Subha Chakraborti, Full Professor, Department of Information Systems, Statistics and Management Science, University of Alabama, ΗΠΑ
  Internal examiners: I. Ntzoufras, Professor, N. Demiris, Assistant Professor, St. Psarakis, Professor.

Work Placement: Postdoctoral Researcher, Cyprus University and University of Ioannina

2020

• Nisiotis Konstantinos Symeon, (2020) 
  Dissertation Title:  "Statistical Methods for Population Ecology with Applications in the Mediterranean"
  Supervisor: P. Besbeas, Associate Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Stephen Buckland, Professor, School of Mathematics & Statistics, University of St Andrews & John Halley, Professor, Dept of Biological Applications & Technology, University of Ioannina
  Internal examiners:V. Vasdekis, Professor, E. Kyriakidis, Professor, A. Kostaki, Professor, G. Kokoris, Associate Professor, University of the Aegean

Work Placement: Researcher, National Documentation Centre

• Athanasopoulou Ioanna, (2020) 
  Dissertation Title:  "A Modelling Approach for Correlated Binary Outcomes"
  Supervisor: V. Vasdekis, Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Irini Moustaki, Professor, Department of Statistics, London School of Economics, UK & Silia Vitoratou, Lecturer, King's College London, U
  Internal examiners: P. Dellaports, Professor, D. Karlis, Professor,, P. Tsiamyrtzis, Associate Professor, X. Pendeli, Assistan Professor

Work Placement: Manager, Ernst & Young

2018

• Hronis Georgios, (2018)
  Dissertation Title: "Stochastic modeling of time series with intermittency, persistence and extreme variability, with application to spatio-temporal averages of rainfall fields"
  Supervisor: H. Pavlopoulos, Associate Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Jan Picek, Professor, Technical University of Liberec, Τσεχία, Carlo De Michele, Associate Professor, Politecnico di Milano, Iταλία
  Internal examiners: P. Dellaportas, Professor, M. Zazanis, Professor, D. Karlis, Professor, E. Ioannidis, Assistant Professor

Work Placement: Laboratorial Teaching Staff, Department of Economics, Athens University of Economics and Business

2017

• Alexopoulos Aggelis, (2017)
  Dissertation Title: "Συμπερασματολογία για Χρονοσειρές με Άλματα"
  Supervisor: P. Dellaportas, Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Ο. Papaspiliopoulos, Department of Economics & Business, Universitat Pompeu Fabra, Spain 
  Internal examiners: A. Yannacopoulos, Professor.

Work Placement: Postdoc Researcher University of Cambridge

• Korre Antonia, (2017)
  Dissertation Title: "Goodness of fit tests for random effect models with binary responses estimated via h-likelihood"
  Supervisor: V. Vasdekis, Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: I. Moustaki, Professor, Department of Statistics, London School of Economics, Hrisiis Koroni, Professor, School of Applied Mathematics and Natural Sciences, NTUA, Silvia Cagnone, Associate Professor, Department of Statistics, University of Bologna, Efstathia Bura, Professor, Department of Statistics, George Washington University
  Internal examiners: St. Psarakis, Professor, I. Ntzoufras, Professor

Work Placement: Senior Data Scientist, Accenture Digital

2016

• Kartala Xanthi - Isidora, (2016)
  Dissertation Title: "Forward - Backward Stochastic Differential Equations with Random Coefficients and Applications to Finance"
  Supervisor: A. Yannacopoulos, Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: D. Kravaritis, Professor, School of Applied Mathematics and Natural Sciences, NTUA,I. Stratis, Professor, Department of Mathematics,UOA, Ι. Karatzas, Professor, Department of Mathematics, Columbia University, USA, P. Daskalopoulou, Professor, Department of Mathematics, Columbia University, USA.
  Internal examiners: N. Frangos, Professor, M. Zazanis, Professor.

Work Placement: Senior Researcher, International Centre for Research on the Environment and the Economy

• Roumelioti Eleni, (2016)
  Dissertation Title: "Applications of Stochastic Analysis in Sensitivity Analysis and Insurance Mathematics"
  Supervisor: N. Frangos, Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Ι. Karatzas, Professor, Department of Mathematics, Columbia University, USA, Paul Glasserman, Professor, Graduate School of Business, Columbia University.
  Internal examiners: A. Yannacopoulos, Professor, M. Zazanis, Professor, E. Kyriakidis, Professor, H. Pavlopoulos, Associate Professor.

Work Placement: Temporary Teaching Staff in Greek Universities

2015

• Orfanogiannaki Aikaterini, (2015)
  Dissertation Title: "Application of Hidden Markov and related models to earthquake studies"
  Supervisor: D. Karlis, Associate Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Gerasimos Papadopoulos,  PI of the National Observatory of Athens, David Vere-Jones, Emeritus Professor of Statistics, School of Mathematics, Statistics and Operations Research, Victoria University Wellington, New Zealand, Gerasimos Tselentis, Professor,University of Patras, Geology Department,  National Observatory of Athens, Jiancang Zhuang, Αssociate Professor of the Institute of Statistical Mathematics, Tokyο, Japan and Department of Statistical Sciences, the Graduate University for Advanced Studies, Κanagawa Japan. 
  Internal examiners: P. Dellaportas, Professor, I. Ntzoufras, Associate Professor.

Work Placement: Hellenic Food Authority and teaching Staff at Greek Universities (Athens University of Economics and Business, National and Kapodistrian University of Athens)

• Papagiannis Georgios, (2015)
  Dissertation Title: "Robust Decision Making and Convex Risk Measures Computation"
  Supervisor: A. Yannacopoulos, Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: A. Xepapadeas, Department of International and European Economic Studies, AUEB, Diogo Pinheiro, Assistant Professor, Brooklyn College, City University of New York, Ioannis Stratis, Professor, Department of Mathematics,UOA, St. Xanthopoulos, Assistant Professor, Department of Mathematics, Aegean University, Αlberto Adrego Pinto, Professor, Department of Mathematics, University of Porto, Portugal.
  Internal examiners: E. Kyriakidis, Professor.

Work Placement: Lecturer, Hellenic Naval Academy

2014

• Vitoratou Vassiliki, (2014)
  Dissertation Title: "Efficient Bayesian Marginal Likelihood Estimation for Generalized Latent Trait Models"
  Supervisor: I. Ntzoufras, Associate Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Irini Moustaki, Professor, London School of Economics, Nial Friel, Associate Professor in Statistics, University College Dublin, David Dunson, Arts & Sciences Distinguished Professor of Statistical Science, Duke University.  
  Internal examiners: V. Vasdekis, Associate Professor, P. Dellaportas, Professor, N. Demiris, Lecturer.

Work Placement: Senior Lecturer, Kings College, London

• Loizidis Marios, (2014)
  Dissertation Title: "Applications of Markov Chains and Convex Sets in Risk Management"
  Supervisor: A. Yannacopoulos, Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: I. Mourtos, Assistant Professor, Department of Management Science and Technology, AUEB, Αlberto Pinto, Professor, Department of Mathematics, University of Porto, Javier Martinez Moguerza, Associate Professor, University Rey Juan Carlos, Madrid.  
  Internal examiners: E. Panas, Professor, N. Frangos, Professor, St. Psarakis, Associate Professor.

Work Placement: Internal Auditor, National Bank of Greece

• Politi Anastasia, (2014)
  Dissertation Title: "Financial Analysis of Demographic Ageing Effect on Pharmaceutical Εxpenditure of Greece"
  Supervisor: N. Frangos, Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Ε. Hatzikonstantinidis, Associate Professor, Department of Statistics and Insurance Science,  University of Piraeus, Irini Dimitriyadis, Associate Professor, Department of Computer Education & Instructional Technologies, Bahçeşehir University, K. Souliotis, Lecturer, School of Social Sciences, Universityof the Peloponnese.  
  Internal examiners: A. Yannacopoulos, Professor, M. Zazanis, Professor. E. Panas, Professor. 

Work Placement: Auditor, Financial and Economic Crime Unit, Ministry of Finance

• Tzougas Georgios, (2014)
  Dissertation Title: "Actuarial Modelling of Claim Counts and Losses in Motor Third Party Liability Insurance"
  Supervisor: N. Frangos, Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Efstathios Hatzikonstantinidis, Associate Professor, Department of Statistics and Insurance Science,  University of Piraeus, Spyros Vrontos, Lecturer, Department of Statistics and Insurance Science,  University of Piraeus, Søren Asmussen, Professor, Department of Mathematics, Aarhus University, Jean Lemaire, Professor, Statistics Department, WHARTON, University of Pennsylvania.
  Internal examiners: Μ.Zazanis, Professor, D. Karlis, Associate Professor, Department of Statistics, Athens University of Economics and Business.

Work Placement: Associate Professor,  School of Mathematical & Computer Sciences, Heriot-Watt University

• Tsombanaki Evgenia, (2014)
  Dissertation Title: "Using and Εxpanding Hybrid Latent Variable Models For Modelling Missing Data and For Discovering Influential Points"
  Supervisor: V. Vasdekis, Associate Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Irini Moustaki, Professor, London School of Economics, Hrisiis Koroni, Professor, School of Applied Mathematics and Natural Sciences, NTUA, Maria Kateri, Professor, RWTH Aachen University, Elena Erosheva, Associate Professor, Department of Statistics, University of Washington.
  Internal examiners: I. Ntzoufras, Associate Professor, I. Papageorgiou, Assistant Professor, Department of Statistics, Athens University of Economics and Business.

Work Placement: Laboratorial Teaching Staff, Department of Statistics, Athens University of Economics and Business

• Hrisis Konstantinos, (2014)
  Dissertation Title: "Measuring and Μodeling Ιncome Ιnequality in Greece"
  Supervisor: A. Livada, Assistant Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: S. Dimeli, Professor, Department of Informatics, AUEB, P. Tsakloglou, Professor, Department Of International and European Economic Studies, AUEB, Α. Μagdalinos, Professor in Econometrics, University of Southampton, Luca Andriani, Lecturer in Economics, Birkbeck University of London, I. Loizidis, Professor, Department Of International and European Economic Studies, AUEB.  
  Internal examiners: V. Vasdekis, Associate Professor, Department of Statistics, Athens University of Economics and Business.

Work Placement: National Accounts Division- General Government Accounts Section- Head of SectionNational Accounts Division- General Government Accounts Section- Head of Section
Hellenic Statistical Institute

2013

• Giannikis Dimitrios, (2013)
  Dissertation Title: "Modelling Financial Time Series using Nonlinear and Nonparametric Bayesian Methods"
  Supervisor: I. Vrontos, Assistant Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Galeano Pedro, Associate Professor, Department of Statistics, Universidad Carlos III de Madrid, Madrid, Spain, Politis Dimitris, Professor of Mathematics and Adjunct Professor of Economics, Department of Mathematics, University of California, San Diego La Jolla, USA, Tarantola Claudia, Assistant Professor of Statistics, Department of Economics and Quantitative Methods, University of Pavia, Italy, Ilias Tzavalis, Professor, Department of Economics, AUEB. 
  Internal examiners: E. Panas, Professor, P. Dellaportas, Professor, Department of Statistics, Athens University of Economics and Business.

Work Placement: Enterpreneur

• Baltas Ioannis, (2013)
  Dissertation Title: "Stochastic Optimal Control and Stochastic Differential Games: Applications in Insurance"
  Supervisor: A. Yannacopoulos, Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: St. Xanthopoulos, Assistant Professor, Department of Statistics and Actuarial-Financial Mathematics, Aegean University,  Anastastios Xepapadeas, Professor, Department Of International and European Economic Studies, AUEB, Markos Koutsoulakis, Professor, Dept. of Mathematics & Statistics, University of Massachusetts, AMHERST, USA, Thierry Horsin, Professor, Conservatoire National des Arts et Metiers (CNAM), Paris.
  Internal examiners: N. Frangos, Professor, M. Zazanis, Professor, Department of Statistics, Athens University of Economics and Business.

Work Placement: Assistant Professor, Department of Financial and Management Engineering, School of Engineering, University of the Aegean

• Poulopoulou Stavroula, (2013)
  Dissertation Title: "Adaptive Designs in Phase II Clinical Trials"
  Supervisor: D. Karlis, Associate Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Ourania Dafni, Professor, Nurse School Of Athens, Konstantinos Giannoutsos, School of Medicine, Indiana University, USA, KyungMann Kim, Professor, Dept. of Biostatistics & Medical Informatics and Statistics, Clinical Science Center.  
  Internal examiners: P. Dellaportas, Professor, I. Ntzoufras, Associate Professor, Department of Statistics, Athens University of Economics and Business.

Work Placement: Data Scientist - R&D Senior Manager at IRI

2012

• Mytalas Georgios, (2012)
  Dissertation Title: "Queues, Quality Control and Success Runs: Methodology and Applications in Production"
  Supervisor: M. Zazanis,Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Professor Markos Koutras, Department of Statistics and Insurance Science, University of Piraeus, Apostolos Bournettas, Associate Professor, Mathematics Department, UOA 
  Internal examiners: A. Yannacopoulos, Professor, N. Frangos, Professor, St. Psarakis, Associate Professor, P. Besbeas, Assistant Professor.

Work Placement: Temporary Teaching Staff, Department of informatics and Telecommunications, Unoiversity of Thesssaly

• Tsourti Zoi, (2012)
  Dissertation Title: "On Variance Reduction for Markov Chain Monte Carlo"
  Supervisor: P. Dellaportas, Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Professor I. Kontogiannis, Department of Informatics, AUEB, Professor Sean Meyn, University of Illinois, Professor Shane Henderson, Cornell University.
  Internal examiners: I. Ntzoufras, Associate Professor, P. Tsiamyrtzis, Assistant Professor, N. Demiris, Lecturer, Department of Statistics, Athens University of Economics and Business.

Work Placement: Senior Statistician at Frontier Science Foundation-Hellas

• Alexiou Panagiotis, (2012)
  Dissertation Title: "Probabilistic Dividend Models in Risk Theory"
  Supervisor: M. Zazanis,Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Associate Professor Efstathios Hatzikonstantinidis, Department of Statistics and Insurance Science,  University of Piraeus, Professor Dr. Hans U. Gerber, Université de Lausanne, Switzerland.  
  Internal examiners: E. Panas, Professor, A. Yannacopoulos, Professor, N. Frangos, Professor, E. Kyriakidis, Associate Professor, Department of Statistics, Athens University of Economics and Business.

Work Placement: Public Servant, Hellenic Ministry of Labour and Social Affairs

2011

• Kalpinelli Evaggelia, (2011)
  Dissertation Title: "Hyperbolic SPDEs-Analytical and Numerical Study Using Wiener Chaos Approach"
  Supervisor: N. Frangos, Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Professor I. Stratis, Department of Mathematics,UOA, Associate Professor I. SPiliots, School of Applied Mathematics and Natural sciences, NTUA, Professor M. Katsoulakis, Deparment of Applied Mathematics, University of Crete, Professor Boris Rozovsky, Professor of Applied Mathematics, Brown University.
  Internal examiners: M. Zazanis, Professor, A. Yannacopoulos, Professor, Department of Statistics, Athens University of Economics and Business.

Work Placement: Public Servant

• Plataniotis Anastasios, (2011)
  Dissertation Title: "High Dimensional Time-Varying Covariance Matrices With Applications in Finance"
  Supervisor: P. Dellaportas, Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Professor Mohsen Pourahmadi, University of Texas A&M, USA, Professor Marilena Barbieri, Roma 3 University, Italy.
  Internal examiners: I. Vrontos, Assistant Professor, E. Ioannidis, Assistant Professor, D. Karlis, Associate Professor, I. Ntzoufras, Associate Professor, Department of Statistics, Athens University of Economics and Business. 

Work Placement: Senior Manager, Ernst & Young

• Penteli Xanthi - Xanthippi, (2011)
  Dissertation Title: "Modelling Multivariate Time Series for Count Data"
  Supervisor: D. Karlis, Associate Professor, Department of Statistics, Athens University of Economics and Business. 
  External Examiners: Professor Eleni-Kleanthi Katsougianni, UOA Medical School, Associate Professor Georgios Iliopoulos, Department of Statistics and Insurance Science, University of Piraeus,  Associate Professor Konstantinos Fokianos, Department of Mathematics and Statistics, University of Cyprus, Professor Brendan McCabe, School of Management, University of Liverpool. 
  Internal examiners: H. Pavlopoulos, Associate Professor, P. Dellaportas, Professor, Department of Statistics, Athens University of Economics and Business.

Work Placement: Associate Professor, Department of Statistics, Athens University of Economics and Business

2010

• Petralias Athanassios, (2010)
  Dissertation Title: "Bayesian Model Determination and Nonlinear Threshold Volatility Models"
  Supervisor: P. Dellaportas, Professor, Department of Statistics, Athens University of Economics and Business. 
  External Examiners: Professor I. Tzavalis, Department of Economics, AUEB, Professor Paul Damien, Department of Information, Risk and Operations Management (IROM), University of Texas at Austin, Professor Bani K. Mallick, Statistics Department, Texas A&M University, Professor E. Tsionas, Department of Economics, AUEB. 
  Internal examiners: I. Vrontos, Assistant Professor, I. Ntzoufras, Assistant Professor, Department of Statistics, Athens University of Economics and Business. 

Work Placement: Secretary General of Fiscal Policy

2009

• Kiani Mehdi, (2009)
  Dissertation Title: "Some Development In Statistical Quality Monitoring and Quality Improvement"
  Supervisor: I. Panaretos, Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Professor D.C. Montgomery, Arizona State University, Professor P. Tsokos, Distinguished University Department of Μathematics, University of South Florida, Professor Charles W. Champ, Department of Mathematical Sciences, Georgia Southern University. 
  Internal examiners: A. Dimaki, Associate Professor, St. Psarakis, Associate Professor, M. Zazanis, Professor, Department of Statistics, Athens University of Economics and Business. 

Work Placement: Associate Professor, College of Engineering, Penn State University

2008

• Peristera Paraskevi, (2008)
  Dissertation Title: "Statistical Methodology for Estimating Patters of Demographic Phenomena"
  Supervisor: A. Kostaki, Assistant Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Associate Professor Kleon Tsimbos, Department of Statistics and Insurance Science, University of Piraeus, Professor Nico Keilman, Department of Economics, University of Oslo, Norway, Professor Vyronas Kotzamanis, Department of Planning and Regional Development, School of Engineering, University of Thessaly.
  Internal examiners: E. Panas, Professor, A. Dimaki, Associate Professor, St. Psarakis, Assistant Professor, Department of Statistics, Athens University of Economics and Business.

Work Placement: Researcher, Epidemiology Unit of the Stress Research Institute, Department of Psychology, University of Stocholm

• Pantelous Athanassios, (2008)
  Dissertation Title: "Stochastic Linear Quadratic Control Problems With Applications to Insurance"
  Supervisor: N. Frangos, Professor, Department of Statistics, Athens University of Economics and Business. 
  External Examiners: Professor Grigorios Kalogeropoulos, Department of Mathematics, UOA, Professor Ioannis Tsinias, School of Applied Mathematics and Natural Sciences, NTUA, Professor Anastasios Xepapadeas, Department of International and Euroipean Economic Studies, AUEB. 
  Internal examiners: M. Zazanis, Professor, A. Zymbidis, Lecturer, A. Yannacopoulos, Associate Professor, Department of Statistics, Athens University of Economics and Business.

Work Placement: Professor, Monach Uiversity

2007

• Nikoloulopoulos Aristeidis, (2007)
  Dissertation Title: "Application of Copula Functions in Statistics"
  Supervisor: D. Karlis, Assistant Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Professor Harry Joe, Prof. Dept. of Stat., Univ. of British Columbia, Vancouver, Canada, Professor Roger Nelsen, Prof. Dept. of Math. Sciences, Lewis & Clark College, Portland, USA.
  Internal examiners: P. Dellaportas, Professor, E. Ioannidis, Assistant Professor, M. Zazanis, Professor, I. Moustaki, Associate Professor, Department of Statistics, Athens University of Economics and Business. 

Work Placement: Associate Professor in Statistics, School of Computing Sciences, Data Science and Statistics

• Kalogeropoulos Konstantinos, (2007)
  Dissertation Title: "Bayesian Inference for Multidimensional Diffusion Processes"
  Supervisor: P. Dellaportas, Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Professor Gareth Roberts, Department of Mathematics and Statistics, Lancaster University, Lancaster LA1 4YF, UK, Professor Yacine Ait-Sahalia, Princeton University, Professor Michael SΓΈrensen, Dept. of Applied Mathematics and Statistics, University of Copenhagen, Universitetsparken 5 DK-2100, Copenhagen, Denmark, Professor Andrew Stuart, Mathematics Institute, Warwick University. 
  Internal examiners: M. Zazanis, Professor, A. Yannacopoulos, Associate Professor, Department of Statistics, Athens University of Economics and Business.

Work Placement: Associate Professor, Department of Primary Education, University of Ioannina

• Mavridis Dimitrios, (2007)
  Dissertation Title: "Goodness-of-Fit Measures and Outlier Detection in Latent Variable Models With Categorical and Mixed Data"
  Supervisor: I. Moustaki, Associate Professor.
  External Examiners: Professor Martin Knott, London School of Economics, Professor Maria-Pia Victoria Feser, University of Geneva, Professor Marco Riani, University of Parma.
  Internal examiners: V. Vasdekis, Assistant Professor, M. Zazanis, Professor, I. Ntzoufras, Assistant Professor, Department of Statistics, Athens University of Economics and Business.

Work Placement: Associate Professor, Department of Primary Education, University of Ioannina

2005

• Vrontos Spyros, (2005)
  Dissertation Title: "On Some Applications of Fractional Brownian Motion to Insurance and Finance"
  Supervisor: N. Frangos, Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: S. Kalpatzidou, Professor, Department of Mathematics, AUTH, A. Yannacopoulos, Associate Professor, Department of Statistics and Actuarial-Financial Mathematics, University of the Aegean, Ioannis Karatzas, Eugene Higgins Professor of Applied Probability, Department of Mathematics and Statistics, Columbia University, N.Y., USA, Jean- Pierre Fouque, Professor Department of Mathematics, North Carolina State University, USA.
  Internal examiners: M. Zazanis, Professor, P. Dellaportas, Associate Professor, Department of Statistics, Athens University of Economics and Business.

Work Placement: Professor, Department of Mathematical Science, Univerisyt of Essex

• Giakoumatos Stefanos, (2005)
  Dissertation Title: "Auxiliary Variable Sampling for Some Time-Varying Volatility Models"
  Supervisor: P. Dellaportas, Associate Professor, Department of Statistics, Athens University of Economics and Business. 
  External Examiners: Professor Paul Damien, McCombs School of Business, Department. of Management Science & Information Systems, The University of Texas at Austin, U.S.A., Professor Stephen G. Walker, Department of Mathematical Sciences, University of Bath, UK, Professor Peter Mueller, Department of Biostatistics, M.D. Anderson Cancer Center, University of Texas, USA. 
  Internal examiners: E. Xekalaki, Professor, N. Frangos, Professor, E. Panas, Professor, Department of Statistics, Athens University of Economics and Business. 

Work Placement: Professor, Department of Accounting and Finance, University of Peloponnese

• Zafeiropoulos Georgios, (2005)
  Dissertation Title: "Collective Risk Theory and Approximations"
  Supervisor: M. Zazanis, Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: T. Konstantopoulos, Reader, Actuarial Mathematics and Statistics School of Mathematical and Computer Sciences Heriot-Watt University, A. Giannakopoulos, Associate Professor, Department of Statistics and Actuarial-Financial Mathematics, University of the Aegean, Greece, A. Kyprianou, Reader, Actuarial Mathematics and Statistics School of Mathematical and Computer Sciences Heriot-Watt University, H. Waters, Professor, Actuarial Mathematics and Statistics School of Mathematical and Computer Sciences Heriot-Watt University
  Internal Examiners: N. Frangos, Professor, P. Dellaportas, Associate Professor, Department of Statistics, Athens University of Economics and Business.

Work Placement: Owner of Tutoring School "Aristevein"

• Linardakis Mihail, (2005)
  Dissertation Title: "Extensions of Latent Variable Models with Applications on Econometric and Educational Models"
  Supervisor: P. Dellaportas, Associate Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Professor Dipak Dey, Dept. of Statistics, Univ. of Connecticut, USA, Distinguished Professor Malay Ghosh, Dept. of Statistics, Univ. of Florida, USA, Professor Nicholas Polson, Univ. of Chicago, USA. 
  Internal Examiners: I. Panaretos, Professor, A. Dimaki, Assistant Professor, Department of Statistics, Athens University of Economics and Business, I. Moustaki, Assistant Professor 

Work Placement: Assistant Professor, Department of Preschool Education, University of Crete

• Degiannakis Stavros, (2005)
  Dissertation Title: "Autoregressive Conditional Heteroscedasticity Model Selection"
  Supervisor: E. Xekalaki, Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: G. Bitros, Professor, Department of Economics, AUEB, Professor Johannes Ledolter, John F. Murray Research Professor of Management Sciences and Professor of Statistics, Department of Management Sciences, University of Iowa, USA and Professor of Statistics, Vienna University of Economics and Business Administration, Vienna, Austria, Dimitris Politis, Professor of Mathematics and Adjunct Professor of Economics, Department of Mathematics, University of California, San Diego USA, Professor R. T. Baillie, A. J. Pasant Professor of Economics and Finance, Department of Economics, Michigan State University, USA.
  Internal Examiners: I. Panaretos, Professor, St. Psarakis, Assistant Professor, Department of Statistics, Athens University of Economics and Business.

Work Placement: Professor, Department of Economics and Regional Development, Panteion University

2003

• Maravelakis Petros, (2003)
  Dissertation Title: "An Investigation of Some Characteristics of Univariate and Multivariate Control Charts"
  Supervisor: I. Panaretos, Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Professor Charles W. Champ, Department of Mathematical Science, Georgia Southern University, USA, Professor D.C. Montgomery, Department of Industrial Engineering, Arizona State University, USA, Professor William H. Woodall, Department of Statistics, Virginia Tech, USA.
  Internal Examiners: P. Tzortzopoulos, Professor, St. Psarakis, Lecturer, E. Xekalaki, Professor, Department of Statistics, Athens University of Economics and Business.

Work Placement: Professor, Department of Business Administration, University of Piraeus

2002

• Perakis Mihalis, (2002)
  Dissertation Title: "Συμπερασματολογία Συνδεόμενη με Δείκτες Ικανότητας Διαδικασίων",
  ISBN: 960-7929-99-3.
  Supervisor: E. Xekalaki,  Professor, Department of Statistics, Athens University of Economics and Business. 
  External Examiners: Norman L. Johnson, Professor Emeritus, Department of Statistics, University of North Carolina, USA, Montgomery D.C., Professor, Department of Industrial Engineering, Arizona State University, USA, Samuel Kotz, Professor, Department of Engineering Management and System Analysis, The George Washington University, USA. 
  Internal Examiners: E. Xekalaki, Professor, I. Panaretos, Professor, P. Tzortzopoulos, Professor, St. Psarakis, Lecturer, Department of Statistics, Athens University of Economics and Business. 

Work Placement: Head of Department/ Directorate of Fiscal Policy & Budget

2001

• Vrontos Ioannis, (2001)
  Dissertation Title: “MCMC Εφαρμογές σε Μοντέλα Ετεροσκεδαστικότητας”,
  ISBN: 960-7929-88-8. 
  Supervisor: P. Dellaportas, Associate Professor, Department of Statistics, Athens University of Economics and Business.
  External Examiners: Christian P. Robert, Professor, Universite Paris, France, Herman K. van Dijk, Professor, Econometric Institute, Erasmus University Rotterdam, The Netherlands, Francis X. Diebold, Professor, Department of Economics, University of Pennsylvania, Philadelphia. 
  Internal Examiners: E. Xekalaki, Professor, N. Frangos, Associate Professor, P. Dellaportas, Associate Professor, H. Pavlopoulos, Assistant Professor, Department of Statistics, Athens University of Economics and Business.

Work Placement: Associate Professor, Department of Statistics, Athens University of Economics and Business

1999

• Karlis Dimitrios, (1999)
  Dissertation Title: “Προβλήματα Εκτίμησης και Ελέγχων Υποθέσεων σε Πεπερασμένα Μείγματα της Κατανομής Poisson”,
  ISBN: 960-7929-19-5. 
  Supervisor: E. Xekalaki, Professor, Department of Statistics, Athens University of Economics and Business. 
  External Examiners: Sir David R. Cox, Department of Statistics, University of Oxford, UK, Bruce G. Lindsay, Distinguished Professor, Department of Statistics, Pennsylvania State University, USA, S. Loukas, Professor, Department of Mathematics, University of Ioannina. 
  Internal Examiners: E. Xekalaki, Professor, I. Panaretos, Professor, N. Frangos, Associate Professor, Aik. Dimaki, Lecturer, Department of Statistics, Athens University of Economics and Business. 

Work Placement: Professor, Department of Statistics, Athens University of Economics and Business

• Ntzoufras Ioannis, (1999)
  Dissertation Title: “Θέματα Μπεϋζιανής Επιλογής Υποδειγμάτων και Μεταβλητών με Χρήση MCMC”,
  ISBN: 960-7929-26-8. 
  Supervisor: P. Dellaportas, Assistant Professor, Department of Statistics, Athens University of Economics and Business. 
  External Examiners: G. Kokolakis, Associate Professor, NTUA, A. O’Hagan, Professor, University of Sheffield, UK, Edward I. George, Professor, University of Texas, USA και K. Σκούρας, Lecturer University College London, UK. 
  Internal Examiners: E. Xekalaki, Professor, I. Panaretos, Professor, P. Dellaportas, Associate Professor, Department of Statistics, Athens University of Economics and Business.

Work Placement: Professor, Department of Statistics, Athens University of Economics and Business

1993

• Psarakis Stylianos, (1993)
  Dissertation Title: “Μέθοδοι Αξιολόγησης της Προβλεπτικής Ικανότητας Γραμμικών Μοντέλων”,
  Supervisor: I. Panaretos, Professor.
  External Examiners: E. Xekalaki, Professor, P. Tzortzopoulos, Professor, Department of Statistics, Athens University of Economics and Business

Work Placement: Professor, Department of Statistics, Athens University of Economics and Business

1991

• Dimaki Aikaterini, (1991)
  Dissertation Title: “Χαρακτηρισμοί Κατανομών με έμφαση στις Κατανομές Pareto και Yule”,
  Supervisor: E. Xekalaki, Professor
  External Examiners: P. Tzortzopoulos, Professor, M. Magdalinos, Professor, Department of Statistics, Athens University of Economics and Business

Work Placement: Retired Professor, Department of Statistics, Athens University of Economics and Business

• Symeonidis Spyridon, (1991)
  Dissertation Title: “APPLICATIONS OF REFINED ASYMPTOTIC THEORY IN ECONOMETRIC TESTING”,
  Supervisor: M. Magdalinos, Professor
  External Examiners: E. Panas, Professor, Department of Statistics, Athens University of Economics and Business, A. Kindis, Professor, Department of Statistics, Athens University of Economics and Business

Work Placement: Professor, Department of Economics, University of Ioannina